Battery charger



FIG. 1 is a front right perspective view of an embodiment of a battery charger.

FIG. 2 is a rear view of the battery charger of FIG. 1.

FIG. 3 is a left side view of the battery charger of FIG. 1.

FIG. 4 is a right side view of the battery charger of FIG. 1.

FIG. 5 is a front view of the battery charger of FIG. 1.

FIG. 6 is a top plan view of the battery charger of FIG. 1.

FIG. 7 is a bottom plan view of the battery charger of FIG. 1; and,

FIG. 8 is a front left perspective view of the battery charger of FIG. 1.

The broken lines shown in the drawings are for the purpose of illustrating portions of the battery charger that form no part of the claimed design. 

CLAIM The ornamental design for a battery charger, as shown and described. 